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<h2>Edges</h2>
<h4 id="section_list">算子列表</h4>
<dl>
<dt><a href="close_edges.html"><code><span data-if="hdevelop" style="display:inline;">close_edges</span><span data-if="dotnet" style="display:none;">CloseEdges</span><span data-if="python" style="display:none;">close_edges</span><span data-if="cpp" style="display:none;">CloseEdges</span><span data-if="c" style="display:none;">close_edges</span></code></a></dt>
<dd>Close edge gaps using the edge amplitude image.</dd>
</dl>
<dl>
<dt><a href="close_edges_length.html"><code><span data-if="hdevelop" style="display:inline;">close_edges_length</span><span data-if="dotnet" style="display:none;">CloseEdgesLength</span><span data-if="python" style="display:none;">close_edges_length</span><span data-if="cpp" style="display:none;">CloseEdgesLength</span><span data-if="c" style="display:none;">close_edges_length</span></code></a></dt>
<dd>Close edge gaps using the edge amplitude image.</dd>
</dl>
<dl>
<dt><a href="derivate_gauss.html"><code><span data-if="hdevelop" style="display:inline;">derivate_gauss</span><span data-if="dotnet" style="display:none;">DerivateGauss</span><span data-if="python" style="display:none;">derivate_gauss</span><span data-if="cpp" style="display:none;">DerivateGauss</span><span data-if="c" style="display:none;">derivate_gauss</span></code></a></dt>
<dd>Convolve an image with derivatives of the Gaussian.</dd>
</dl>
<dl>
<dt><a href="diff_of_gauss.html"><code><span data-if="hdevelop" style="display:inline;">diff_of_gauss</span><span data-if="dotnet" style="display:none;">DiffOfGauss</span><span data-if="python" style="display:none;">diff_of_gauss</span><span data-if="cpp" style="display:none;">DiffOfGauss</span><span data-if="c" style="display:none;">diff_of_gauss</span></code></a></dt>
<dd>Approximate the LoG operator (Laplace of Gaussian).</dd>
</dl>
<dl>
<dt><a href="edges_color.html"><code><span data-if="hdevelop" style="display:inline;">edges_color</span><span data-if="dotnet" style="display:none;">EdgesColor</span><span data-if="python" style="display:none;">edges_color</span><span data-if="cpp" style="display:none;">EdgesColor</span><span data-if="c" style="display:none;">edges_color</span></code></a></dt>
<dd>Extract color edges using Canny, Deriche, or Shen filters.</dd>
</dl>
<dl>
<dt><a href="edges_color_sub_pix.html"><code><span data-if="hdevelop" style="display:inline;">edges_color_sub_pix</span><span data-if="dotnet" style="display:none;">EdgesColorSubPix</span><span data-if="python" style="display:none;">edges_color_sub_pix</span><span data-if="cpp" style="display:none;">EdgesColorSubPix</span><span data-if="c" style="display:none;">edges_color_sub_pix</span></code></a></dt>
<dd>Extract subpixel precise color edges using Deriche, Shen, or Canny filters.</dd>
</dl>
<dl>
<dt><a href="edges_image.html"><code><span data-if="hdevelop" style="display:inline;">edges_image</span><span data-if="dotnet" style="display:none;">EdgesImage</span><span data-if="python" style="display:none;">edges_image</span><span data-if="cpp" style="display:none;">EdgesImage</span><span data-if="c" style="display:none;">edges_image</span></code></a></dt>
<dd>Extract edges using Deriche, Lanser, Shen, or Canny filters.</dd>
</dl>
<dl>
<dt><a href="edges_sub_pix.html"><code><span data-if="hdevelop" style="display:inline;">edges_sub_pix</span><span data-if="dotnet" style="display:none;">EdgesSubPix</span><span data-if="python" style="display:none;">edges_sub_pix</span><span data-if="cpp" style="display:none;">EdgesSubPix</span><span data-if="c" style="display:none;">edges_sub_pix</span></code></a></dt>
<dd>Extract sub-pixel precise edges using Deriche, Lanser, Shen, or Canny
filters.</dd>
</dl>
<dl>
<dt><a href="frei_amp.html"><code><span data-if="hdevelop" style="display:inline;">frei_amp</span><span data-if="dotnet" style="display:none;">FreiAmp</span><span data-if="python" style="display:none;">frei_amp</span><span data-if="cpp" style="display:none;">FreiAmp</span><span data-if="c" style="display:none;">frei_amp</span></code></a></dt>
<dd>Detect edges (amplitude) using the Frei-Chen operator.</dd>
</dl>
<dl>
<dt><a href="frei_dir.html"><code><span data-if="hdevelop" style="display:inline;">frei_dir</span><span data-if="dotnet" style="display:none;">FreiDir</span><span data-if="python" style="display:none;">frei_dir</span><span data-if="cpp" style="display:none;">FreiDir</span><span data-if="c" style="display:none;">frei_dir</span></code></a></dt>
<dd>Detect edges (amplitude and direction) using the Frei-Chen operator.</dd>
</dl>
<dl>
<dt><a href="highpass_image.html"><code><span data-if="hdevelop" style="display:inline;">highpass_image</span><span data-if="dotnet" style="display:none;">HighpassImage</span><span data-if="python" style="display:none;">highpass_image</span><span data-if="cpp" style="display:none;">HighpassImage</span><span data-if="c" style="display:none;">highpass_image</span></code></a></dt>
<dd>Extract high frequency components from an image.</dd>
</dl>
<dl>
<dt><a href="info_edges.html"><code><span data-if="hdevelop" style="display:inline;">info_edges</span><span data-if="dotnet" style="display:none;">InfoEdges</span><span data-if="python" style="display:none;">info_edges</span><span data-if="cpp" style="display:none;">InfoEdges</span><span data-if="c" style="display:none;">info_edges</span></code></a></dt>
<dd>Return the filter coefficients of a filter in <a href="edges_image.html"><code><span data-if="hdevelop" style="display:inline"><code>edges_image</code></span><span data-if="c" style="display:none"><code>edges_image</code></span><span data-if="cpp" style="display:none"><code>EdgesImage</code></span><span data-if="com" style="display:none"><code>EdgesImage</code></span><span data-if="dotnet" style="display:none"><code>EdgesImage</code></span><span data-if="python" style="display:none"><code>edges_image</code></span></code></a>.</dd>
</dl>
<dl>
<dt><a href="kirsch_amp.html"><code><span data-if="hdevelop" style="display:inline;">kirsch_amp</span><span data-if="dotnet" style="display:none;">KirschAmp</span><span data-if="python" style="display:none;">kirsch_amp</span><span data-if="cpp" style="display:none;">KirschAmp</span><span data-if="c" style="display:none;">kirsch_amp</span></code></a></dt>
<dd>Detect edges (amplitude) using the Kirsch operator.</dd>
</dl>
<dl>
<dt><a href="kirsch_dir.html"><code><span data-if="hdevelop" style="display:inline;">kirsch_dir</span><span data-if="dotnet" style="display:none;">KirschDir</span><span data-if="python" style="display:none;">kirsch_dir</span><span data-if="cpp" style="display:none;">KirschDir</span><span data-if="c" style="display:none;">kirsch_dir</span></code></a></dt>
<dd>Detect edges (amplitude and direction) using the Kirsch operator.</dd>
</dl>
<dl>
<dt><a href="laplace.html"><code><span data-if="hdevelop" style="display:inline;">laplace</span><span data-if="dotnet" style="display:none;">Laplace</span><span data-if="python" style="display:none;">laplace</span><span data-if="cpp" style="display:none;">Laplace</span><span data-if="c" style="display:none;">laplace</span></code></a></dt>
<dd>Calculate the Laplace operator by using finite differences.</dd>
</dl>
<dl>
<dt><a href="laplace_of_gauss.html"><code><span data-if="hdevelop" style="display:inline;">laplace_of_gauss</span><span data-if="dotnet" style="display:none;">LaplaceOfGauss</span><span data-if="python" style="display:none;">laplace_of_gauss</span><span data-if="cpp" style="display:none;">LaplaceOfGauss</span><span data-if="c" style="display:none;">laplace_of_gauss</span></code></a></dt>
<dd>LoG-Operator (Laplace of Gaussian).</dd>
</dl>
<dl>
<dt><a href="prewitt_amp.html"><code><span data-if="hdevelop" style="display:inline;">prewitt_amp</span><span data-if="dotnet" style="display:none;">PrewittAmp</span><span data-if="python" style="display:none;">prewitt_amp</span><span data-if="cpp" style="display:none;">PrewittAmp</span><span data-if="c" style="display:none;">prewitt_amp</span></code></a></dt>
<dd>Detect edges (amplitude) using the Prewitt operator.</dd>
</dl>
<dl>
<dt><a href="prewitt_dir.html"><code><span data-if="hdevelop" style="display:inline;">prewitt_dir</span><span data-if="dotnet" style="display:none;">PrewittDir</span><span data-if="python" style="display:none;">prewitt_dir</span><span data-if="cpp" style="display:none;">PrewittDir</span><span data-if="c" style="display:none;">prewitt_dir</span></code></a></dt>
<dd>Detect edges (amplitude and direction) using the Prewitt operator.</dd>
</dl>
<dl>
<dt><a href="roberts.html"><code><span data-if="hdevelop" style="display:inline;">roberts</span><span data-if="dotnet" style="display:none;">Roberts</span><span data-if="python" style="display:none;">roberts</span><span data-if="cpp" style="display:none;">Roberts</span><span data-if="c" style="display:none;">roberts</span></code></a></dt>
<dd>Detect edges using the Roberts filter.</dd>
</dl>
<dl>
<dt><a href="robinson_amp.html"><code><span data-if="hdevelop" style="display:inline;">robinson_amp</span><span data-if="dotnet" style="display:none;">RobinsonAmp</span><span data-if="python" style="display:none;">robinson_amp</span><span data-if="cpp" style="display:none;">RobinsonAmp</span><span data-if="c" style="display:none;">robinson_amp</span></code></a></dt>
<dd>Detect edges (amplitude) using the Robinson operator.</dd>
</dl>
<dl>
<dt><a href="robinson_dir.html"><code><span data-if="hdevelop" style="display:inline;">robinson_dir</span><span data-if="dotnet" style="display:none;">RobinsonDir</span><span data-if="python" style="display:none;">robinson_dir</span><span data-if="cpp" style="display:none;">RobinsonDir</span><span data-if="c" style="display:none;">robinson_dir</span></code></a></dt>
<dd>Detect edges (amplitude and direction) using the Robinson operator.</dd>
</dl>
<dl>
<dt><a href="sobel_amp.html"><code><span data-if="hdevelop" style="display:inline;">sobel_amp</span><span data-if="dotnet" style="display:none;">SobelAmp</span><span data-if="python" style="display:none;">sobel_amp</span><span data-if="cpp" style="display:none;">SobelAmp</span><span data-if="c" style="display:none;">sobel_amp</span></code></a></dt>
<dd>Detect edges (amplitude) using the Sobel operator.</dd>
</dl>
<dl>
<dt><a href="sobel_dir.html"><code><span data-if="hdevelop" style="display:inline;">sobel_dir</span><span data-if="dotnet" style="display:none;">SobelDir</span><span data-if="python" style="display:none;">sobel_dir</span><span data-if="cpp" style="display:none;">SobelDir</span><span data-if="c" style="display:none;">sobel_dir</span></code></a></dt>
<dd>Detect edges (amplitude and direction) using the Sobel operator.</dd>
</dl>
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